Klopp's defenders have been criticised this season but a closer inspection of the bare statistics would suggest there is plenty of room for improvement up front.

The fielding of what has already become known as the German's 'Fab Four' - Philippe Coutinho, Sadio Mane, Mohamed Salah and Roberto Firmino - was supposed to be the answer to a problem which has seen the Reds take 120 shots but score just seven goals in five matches since the 5-0 loss to Manchester City.

Philippe Coutinho with Jurgen Klopp (Image: Getty Images Europe)

Sadio Mane reacts during the draw (Image: REX/Shutterstock)

Klopp admits converting a fraction of those chances would not only have produced vastly improved results but would have also quelled the vocal attacks on his back four.

But he did admit his front four need time to gel after making their first competitive start together and that can only be achieved with more time at the club's Melwood training complex - and on match days.

Klopp has declared what Liverpool need to do to get out their group (Image: Getty Images Europe)

"We have to keep on working, that's how it is," said Klopp.

"We have to carry on, we have to create, we have to protect, we have to defend and then to score.

"Obviously we didn't score often enough (against Spartak) and that's a fact, but let's go on."

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